The Round Island burrowing boa is an extinct species of snake, in the monotypic genus Bolyeria, in the family Bolyeriidae. The species, which was endemic to Mauritius, was last seen on Round Island in 1975. There are no recognized subspecies.
Description
B. multocarinata reached about in total length (including tail). Preserved specimens have been reported as having total lengths of . Its colour was described as light brown with blackish spots dorsally, and pink marbled with blackish ventrally. It had a pointed snout with a cylindrical body and head. Its general body form suggests that the Round Island burrowing boa had fossorial tendencies. This species' closest living relative is the Round Island boa (Casarea dussumieri). ==Geographic range==
Geographic range
The Round Island burrowing boa had an extremely small range of only . Its habitats were hardwood forests and palm savanna. In the past it was found in Mauritius on Gunner's Quoin, Flat Island, Round Island, and Ile de la Passe. It survived the longest on Round Island, where it was last recorded. The type locality given is "Port Jackson" (in error). ==Habitat==
Habitat
The preferred natural habitat of B. multocarinata was forest. ==Diet==
Diet
The diet of B. multocarinata is unknown, but it is thought to have eaten lizards and their eggs, as well as the chicks and eggs of ground-nesting and burrowing seabirds. ==Reproduction==
Reproduction
B. multocarinata was oviparous. Clutch size was about five eggs. ==Conservation status==
Conservation status
The species Bolyeria multocarinata is classified as Extinct (EX) on the IUCN Red List of threatened species (v2.3, 1994). ==References==